mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
Hardness of 7 on the Mohs scale, green color varying from light to dark, vitreous to greasy luster, trigonal crystal system, lacks true cleavage with uneven to conchoidal fracture, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, green color varying from light to dark, vitreous to greasy luster, trigonal crystal system, lacks true cleavage with uneven to conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Formed through regional or contact metamorphism, hydrothermal processes, or as quartz veins in pegmatites where chromium-rich muscovite (fuchsite) becomes trapped during quartz crystallization.
Uses & applications
Widely used in ornamental carvings, polished tumbled stones, jewelry, and crystal healing practices.
Geological facts
The distinctive shimmering green sparkle in green aventurine is caused by tiny reflective flakes of the mineral fuchsite, an optical phenomenon known as aventurescence.
Field identification & locations
Can be identified in the field by its distinct green color combined with a vitreous luster and characteristic sparkly inclusions under magnification; commonly sourced from India, Brazil, Russia, and Austria.
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